Prospective data scientists can boost their salary more by learning Apache Spark and its tied-at-the-hip language Scala than obtaining a Ph.D., a recent data science survey by O’Reilly suggests. In its 2015 Data Science Salary Survey, O’Reilly found strong correlations between those who used Apache Spark and Scala, and those who were paid more money. … Continue reading Skip the Ph.D and Learn Spark, Data Science Salary Survey Says